#include <math.h>
#include <iostream>
#include <conio.h>
#include <stdlib.h>
using namespace std;
int main() {
int result,ch1,ch2;
cout<<"vvedite chislo1:\n";
cin>>ch1;
cout<<"vvedite chislo 2:\n";
cin>>ch2;
result=1;
for(ch1;ch1<=ch2;ch1++){
result=result*ch1;
}
cout<<"result="<<result;
system("pause");
}
